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Product Description
This is a Genuine OEM Sourced replacement part designed for Black and Decker String Trimmer. This item is used to secure and drive the Spool. It is made out of Plastic and Metal. Includes a Plastic Housing, Plastic Gear, Metal Bearing and Two (2) Metal Eyelets.
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Works with the following brands:Black and Decker, Craftsman
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Works with the following products:Trimmer
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Fixes the following symptoms:Engine revs but trimmer head will not turn
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Part# N498091 replaces these:N498091
- Works with the following brands:
- Black and Decker, Craftsman
- Works with the following products
- Trimmer
- Fixes the following symptoms
- Engine revs but trimmer head will not turn
- Part# N498091 replaces these:
- N498091
Part Number Cross Reference
Questions and Answers
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Mark
May 7, 2024
MY WEEDEATER QUIT ROTATING TODAY. IT IS MODEL LST140 type 1.
I would need housing along with gear and spindle.
Plastic gear is worn and plastic holder for bearing broken in housing.
Is LST140C the same as LST140 type 1?
I have pictures I can email if you need them
For model number LST140C

Hello Mark, thank you for your inquiry. The motor housing, part number FIX12510041, and the gear & spindle, part number FIX12530718, are sold separately for your model. Please reach out to customer service if you need help placing an order, anyone will be happy to assist you!
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Greg
May 20, 2025
replacement 90556012
For model number st8600

Hi Greg, thank you for reaching out. The replacement for this is part number FIX12530718. We hope that helps!
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Customer Reviews
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Steve S - September 8, 2021
Verified Purchase
New life to an older string trimmer
The worn out gear and spindle unit was way to replace. Because the spindle spins inside the two-piece plastic motor housing I replaced that too. For about $30 I had a trimmer that works as good as new.
Mark W - September 7, 2022
Verified Purchase
solid
I got what I ordered and it arrived promptly. I replaced the part, and all is well.
Sharon W - September 16, 2021
Verified Purchase
4 stars
The part I order was just what I needed. The part was easy to replace and it took about to an hour to do. My weed eater is just like brand new and if I need parts again, I know just where to place my order. My only concern was the delivery time.
Thanks,
Sdw
Model Compatibility
This part works with the following models:
Fix Number: FIX18994000
Manufacturer Part Number: N498091
Manufacturer Part Number: N498091
| Brand | Model Number | Description |
|---|---|---|
| Craftsman | CMCST98020E1 | Trimmer - 40v Max Li-Ion Strin |
| Black and Decker | LST140C | Trimmer - 40v Lith String Trim |
Mail-In Recycling Rebate
Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.